We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Will Firefox 4.0 ever support Mac OS X 10.4.11

  • 1 reply
  • 57 have this problem
  • 1 view
  • Last reply by TonyE

more options

When I downloaded 4.0 and tried to open it I got an error message that said it can't run on this version of Mac OS X. I run 10.4.11 is Firefox just going to abandon older Macs?

When I downloaded 4.0 and tried to open it I got an error message that said it can't run on this version of Mac OS X. I run 10.4.11 is Firefox just going to abandon older Macs?

All Replies (1)

more options

Mozilla will not be making a version of Firefox 4 for OS X 10.4